Sample Math Quiz

Johnny just spent $4.50 on 18 erasers. How much does one eraser cost?

• 0.20

• 0.25

• 0.30

• 0.35

Answer explanation

To find the cost of one eraser, divide the total cost by the number of erasers: $4.50 ÷ 18 = $0.25. Therefore, one eraser costs $0.25.

Raquel has 36 stamps. She groups the stamps into 9 equal groups. She then adds two more stamps to each group. If she gives 4 stamps to each of her 13 friends, how many stamps will she have left?

• 0

• 1

• 2

• 3

Answer explanation

Raquel groups 36 stamps into 9 groups, getting 4 stamps per group. Adding 2 stamps makes it 6 stamps per group. Total stamps now: 9 * 6 = 54. Giving 4 stamps to 13 friends means 52 stamps given away. 54 - 52 = 2 stamps left.

The numbers 4, 6, and 10 are all factors of which number?

• 12

• 24

• 60

• 80

Answer explanation

The number 60 is divisible by 4, 6, and 10. Checking the other options: 12 is not divisible by 10, 24 is not divisible by 10, and 80 is not divisible by 6. Therefore, 60 is the only number that has all three as factors.

Which of the following statements is true?

• 800 is ten times greater than 8.

• 3000 is ten times greater than 30.

• 70 is ten times greater than 700.

• 900 is ten times greater than 90.

Answer explanation

The statement '900 is ten times greater than 90' is true because 900 divided by 90 equals 10. The other statements incorrectly represent the relationship between the numbers.

Which of the following is 7,859 rounded to the hundreds place?

• 7850

• 7860

• 7800

• 7900

Answer explanation

To round 7,859 to the hundreds place, look at the tens digit (5). Since it's 5 or more, round up the hundreds digit (7) to 8, making it 8 in the hundreds place. Thus, 7,859 rounded to the hundreds is 8,000, which is 7900.

Maria bought 24 notebooks for $12. How much does one notebook cost?

• 0.70

• 0.60

• 0.50

• 0.40

Answer explanation

To find the cost of one notebook, divide the total cost by the number of notebooks: $12 ÷ 24 = $0.50. Therefore, one notebook costs $0.50.

Tom has 48 candies. He divides them into 8 equal bags. If he gives 3 candies to each of his 10 friends, how many candies will he have left?

• 2

• 1

• 0

• 3

Answer explanation

Tom starts with 48 candies. After dividing into 8 bags, he still has 48. Giving 3 candies to each of his 10 friends means he gives away 30 candies (3x10). 48 - 30 = 18 candies left. After dividing into bags, he has 1 candy remaining.